An exhibition featuring illustration sketches from Pham Cam Thuong's "Vietnamese material civilization" continues through January 31 at the Viet Art Center in Hanoi.

This exhibition showcases sketches of tools and appliance used by ancient Vietnamese. Henri Oger's "Technique du people Annamite" (Techniques used by the An Nam people), published at the beginning of 20th century, is also featured.

The exhibition also introduces sketches from a Chinese book from the 15th century.